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Roubaix Capital Portfolio holdings

AUM $214M
1-Year Est. Return 32.43%
This Fund
S&P 500
This Quarter Est. Return
+12.29%
1 Year Est. Return
+32.43%
3 Year Est. Return
+104.01%
5 Year Est. Return
+128.11%
10 Year Est. Return
–
AUM
$215M
AUM Growth
+$6.37M
Cap. Flow
-$9.56M
Cap. Flow %
-4.45%
Top 10 Hldgs %
35.91%
Holding
75
New
24
Increased
16
Reduced
7
Closed
28

Top Buys

Rank Stock Value
1
RAL
Ralliant Corp
RAL
+$7.31M
2
JHX icon
James Hardie Industries
JHX
+$6.98M
3
ATS icon
ATS Corp
ATS
+$6.44M
4
MOD icon
Modine Manufacturing
MOD
+$5.64M
5
MLAB icon
Mesa Laboratories
MLAB
+$5.52M

Top Sells

Rank Stock Value
1
GTLS
Chart Industries
GTLS
+$6.94M
2
BELFB
Bel Fuse Inc Class B
BELFB
+$6.31M
3
MGNI icon
Magnite
MGNI
+$6.29M
4
TRS icon
TriMas Corp
TRS
+$6.09M
5
LQDT icon
Liquidity Services
LQDT
+$5.77M

Sector Composition

Rank Sector Weight
1 Industrials 34.95%
2 Technology 30.05%
3 Healthcare 13.33%
4 Materials 6.85%
5 Consumer Discretionary 6.3%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AXGN icon
26
Axogen
AXGN
$2.17B
$3.87M 1.8%
+216,861
New +$3.15M
GHM icon
27
Graham Corp
GHM
$1.17B
$3.81M 1.77%
69,364
+25,168
+57% +$1.29M
ATI icon
28
ATI
ATI
$26B
$3.79M 1.76%
46,543
-14,090
-23% -$1.14M
QCRH icon
29
QCR Holdings
QCRH
$1.66B
$3.68M 1.71%
+48,618
New +$3.66M
SWIM icon
30
Latham Group
SWIM
$656M
$3.61M 1.68%
474,743
+69,214
+17% +$509K
RDNT icon
31
RadNet
RDNT
$4.88B
$3.54M 1.65%
46,439
-35,545
-43% -$2.31M
CLBT icon
32
Cellebrite
CLBT
$3.69B
$3.47M 1.61%
187,121
+11,837
+7% +$186K
THRY icon
33
Thryv Holdings
THRY
$182M
$3.39M 1.58%
+281,454
New +$3.56M
PCOR icon
34
Procore
PCOR
$6.91B
$3.24M 1.51%
+44,495
New +$3.11M
SAIA icon
35
Saia
SAIA
$11B
$3.24M 1.51%
+10,836
New +$3.27M
MEC icon
36
Mayville Engineering Co
MEC
$748M
$2.93M 1.36%
212,688
+111,550
+110% +$1.68M
KNF icon
37
Knife River
KNF
$4.42B
$2.9M 1.35%
37,787
-4,303
-10% -$351K
HLLY icon
38
Holley
HLLY
$319M
$2.43M 1.13%
+774,304
New +$2.31M
AIP icon
39
Arteris
AIP
$1.37B
$2.36M 1.1%
+233,726
New +$2.23M
MTLS
40
Materialise
MTLS
$374M
$2.36M 1.1%
+423,016
New +$2.27M
OMCL icon
41
Omnicell
OMCL
$1.88B
$2.33M 1.08%
+76,383
New +$2.35M
CCC
42
CCC Intelligent Solutions
CCC
$3.54B
$2.31M 1.08%
+253,793
New +$2.45M
TRNS icon
43
Transcat
TRNS
$784M
$2.31M 1.08%
+31,538
New +$2.54M
BIO icon
44
Bio-Rad Laboratories Class A
BIO
$8.52B
$2.27M 1.06%
+8,112
New +$2.21M
PUBM icon
45
PubMatic
PUBM
$599M
$2.25M 1.05%
+271,335
New +$2.76M
PATH icon
46
UiPath
PATH
$6.01B
$2.16M 1.01%
+161,619
New +$1.91M
AZTA icon
47
Azenta
AZTA
$1.26B
$620K 0.29%
+21,574
New +$669K
AAON icon
48
Aaon
AAON
$8.18B
– –
-39,250
Closed -$2.89M
ACVA icon
49
ACV Auctions
ACVA
$1.41B
– –
-181,589
Closed -$2.95M
BELFB
50
Bel Fuse Inc Class B
BELFB
$3.61B
– –
-64,612
Closed -$6.31M
1
2
3

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GC
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TSS
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CMBA
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VCM
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MCA
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IH
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IAM
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Roubaix Capital's Q3 2025 Portfolio in Review

As of Q3 2025, Roubaix Capital held 75 positions worth $215M, up 3.1% from $208M the previous quarter. Its ten largest holdings account for 36% of the portfolio.

Roubaix Capital withdrew a net $9.56M in Q3 2025, closing 28 positions and reducing 7 holdings. Its most notable exit was Chart Industries, an estimated $6.94M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 35% of assets, down from 39% a quarter earlier, followed by Technology and Healthcare.

Against the trend, Roubaix Capital opened a new position in Ralliant Corp worth $7.19M.

  • Roubaix Capital's largest Q3 2025 buy was Ralliant Corp: 164,471 shares worth $7.19M.
  • Roubaix Capital added most to Certara in Q3 2025, an estimated $2.59M increase.
  • Roubaix Capital's biggest Q3 2025 reduction was RadNet, cutting an estimated $2.31M.
  • Roubaix Capital fully exited Chart Industries in Q3 2025, selling an estimated $6.94M.
  • Roubaix Capital's ten largest holdings make up 36% of its $215M portfolio in Q3 2025.
  • Roubaix Capital opened 24 new positions and closed 28 in Q3 2025.
  • Roubaix Capital's portfolio value rose 3.1% quarter-over-quarter to $215M.

Based on Roubaix Capital's 13F filing for Q3 2025, filed 12 Nov 2025.